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1112 = 23139
BaseRepresentation
bin10001011000
31112012
4101120
513422
65052
73146
oct2130
91465
101112
11921
12788
13677
14596
154e2
hex458

1112 has 8 divisors (see below), whose sum is σ = 2100. Its totient is φ = 552.

The previous prime is 1109. The next prime is 1117. The reversal of 1112 is 2111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisibly by the product of its digits.

It is a magnanimous number.

It is a plaindrome in base 10, base 12, base 13 and base 16.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1096 and 1105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62 + ... + 77.

It is an amenable number.

1112 is a deficient number, since it is larger than the sum of its proper divisors (988).

1112 is a wasteful number, since it uses less digits than its factorization.

1112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 141 counting only the distinct ones).

The product of its digits is 2, while the sum is 5.

The square root of 1112 is about 33.3466640011. The cubic root of 1112 is about 10.3602029348.

The spelling of 1112 in words is "one thousand, one hundred twelve", and is thus an iban number.

Divisors: 1 2 4 8 139 278 556 1112